Electrostatic machine
Electrostatic machine, in pieces, wood with glass jars, in wooden box, European, early 20th century
Electrostatic machine, in pieces, wood with glass jars, in wooden box, European, early 20th century
Electrostatic machine, in pieces, wood with glass jars, in wooden box, European, early 20th century
Model head with human hair, mounted on brass stand with wooden base, part of electrostatic machine, European, early 20th century